X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=blobdiff_plain;f=compiler%2Fmain%2FMain.hs;h=55234e7636d556aed15a8fe81d944793e9993295;hp=52097d9aa4cd320bb67d82ab2e50d41f42f48572;hb=b00b5bc04ff36a551552470060064f0b7d84ca30;hpb=e69ddd9cc12f59c7ef7103e54fee2d1c55b9fc14

diff --git a/compiler/main/Main.hs b/compiler/main/Main.hs
index 52097d9..55234e7 100644
--- a/compiler/main/Main.hs
+++ b/compiler/main/Main.hs
@@ -19,6 +19,7 @@ import CmdLineParser
 
 -- Implementations of the various modes (--show-iface, mkdependHS. etc.)
 import LoadIface	( showIface )
+import HscMain          ( newHscEnv )
 import DriverPipeline	( oneShot, compileFile )
 import DriverMkDepend	( doMkDependHS )
 #ifdef GHCI
@@ -27,13 +28,13 @@ import InteractiveUI	( ghciWelcomeMsg, interactiveUI )
 
 -- Various other random stuff that we need
 import Config		( cProjectVersion, cBooterVersion, cProjectName )
-import Packages		( dumpPackages, initPackages )
+import Packages		( dumpPackages )
 import DriverPhases	( Phase(..), isSourceFilename, anyHsc,
 			  startPhase, isHaskellSrcFilename )
 import StaticFlags	( staticFlags, v_Ld_inputs, parseStaticFlags )
 import DynFlags         ( defaultDynFlags )
 import BasicTypes	( failed )
-import ErrUtils		( Message, debugTraceMsg, putMsg )
+import ErrUtils		( putMsg )
 import FastString	( getFastStringTable, isZEncoded, hasZEncoding )
 import Outputable
 import Util
@@ -147,7 +148,7 @@ main =
 	PrintLibdir     -> putStrLn (topDir dflags)
 	ShowVersion     -> showVersion
         ShowNumVersion  -> putStrLn cProjectVersion
-        ShowInterface f -> showIface f
+        ShowInterface f -> doShowIface dflags f
 	DoMake 	        -> doMake session srcs
 	DoMkDependHS    -> doMkDependHS session (map fst srcs)
 	StopBefore p    -> oneShot dflags p srcs
@@ -395,6 +396,15 @@ doMake sess srcs  = do
     when (failed ok_flag) (exitWith (ExitFailure 1))
     return ()
 
+
+-- ---------------------------------------------------------------------------
+-- --show-iface mode
+
+doShowIface :: DynFlags -> FilePath -> IO ()
+doShowIface dflags file = do
+  hsc_env <- newHscEnv dflags
+  showIface hsc_env file
+
 -- ---------------------------------------------------------------------------
 -- Various banners and verbosity output.